celery/kombu — pull request #143 by Bedtimes (2012-07-03 13:43:07+00:00)
Title: Removed use of deprecated msgpack functions

msgpack-python no longer has the deprecated functions msgpack.packs and msgpack.unpacks.
They have been replaced by msgpack.packb and msgpack.unpackb.
See here:
https://github.com/msgpack/msgpack-python/commit/dd5b1e265a24a6ddc6ffe681d9d632a8240ce2ad